685950682692 has 24 divisors (see below), whose sum is σ = 1746056283552. Its totient is φ = 207863843200.

The previous prime is 685950682657. The next prime is 685950682723. The reversal of 685950682692 is 296286059586.

It is a super-3 number, since 3×685950682692³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2598297909 + ... + 2598298172.

It is an arithmetic number, because the mean of its divisors is an integer number (72752345148).

Almost surely, 2^685950682692 is an apocalyptic number.

It is an amenable number.

685950682692 is an abundant number, since it is smaller than the sum of its proper divisors (1060105600860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

685950682692 is a wasteful number, since it uses less digits than its factorization.

685950682692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5196596099 (or 5196596097 counting only the distinct ones).

The product of its (nonzero) digits is 111974400, while the sum is 66.

The spelling of 685950682692 in words is "six hundred eighty-five billion, nine hundred fifty million, six hundred eighty-two thousand, six hundred ninety-two".